Writing instrument



FIG. 1 is a perspective view of a writing instrument embodying my new design;

FIG. 2 is a right side elevational view, the left side elevational view being a mirror image thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof;

FIG. 7 is a perspective view showing the writing instrument of FIG. 1 in another position;

FIG. 8 is a right side elevational view of the writing instrument of FIG. 7, the left side elevational view being a mirror image thereof;

FIG. 9 is a front elevational view of the writing instrument of FIG. 7;

FIG. 10 is a rear elevational view of the writing instrument of FIG. 7;

FIG. 11 is a top plan view of the writing instrument of FIG. 7;

FIG. 12 is a bottom plan view of the writing instrument of FIG. 7;

FIG. 13 is a right side elevational view showing the writing instrument of FIG. 1 in another position, the left side elevational view being a mirror image thereof; and,

FIG. 14 is a front elevational view of the writing instrument of FIG. 13.

The dashed lines are for illustrative purposes only and form no part of the claimed design. 

The ornamental design for a “writing instrument,” as shown and described. 